Alex Schultz
February 4, 2026

What Is The Best Cardio For Losing Weight?

Learn what the best cardio for losing weight really is and how to track fat loss accurately using body composition data from a Dexa Scan.

Author
5 min read
What Is The Best Cardio For Losing Weight?

Cardio is often treated as the main driver of weight loss. In reality, not all cardio produces the same results, and more cardio does not automatically mean more fat loss. The best cardio for losing weight is the one that helps you reduce fat while preserving muscle and supporting long-term consistency.

This article explains what the best cardio for losing weight actually is, how to choose the right approach, and why tracking results with a Dexa Scan gives far better feedback than relying on the scale alone.

Why Weight Loss and Fat Loss Are Not the Same Thing

Most people want to lose fat, not just body weight.

Scale weight can change due to:

  • Water loss
  • Glycogen depletion
  • Muscle loss
  • Short-term calorie restriction

Cardio that drives the scale down quickly can still lead to muscle loss, which slows metabolism and makes long-term fat loss harder. The best cardio approach supports fat loss while protecting lean mass.

Low-Intensity Steady-State Cardio

Low-intensity steady-state cardio includes activities like walking, cycling, or easy jogging performed at a comfortable pace.

Benefits include:

  • Low stress on joints and recovery
  • Easier to perform frequently
  • Lower risk of muscle loss when calories are controlled
  • Sustainable over long periods

This type of cardio is effective for increasing calorie expenditure without interfering heavily with strength training or recovery.

High-Intensity Interval Training

High-intensity interval training involves short bursts of hard effort followed by recovery periods.

Potential benefits:

  • Higher calorie burn per unit of time
  • Strong cardiovascular stimulus
  • Time-efficient sessions

However, excessive high-intensity work can:

  • Increase fatigue
  • Compromise strength training performance
  • Increase muscle loss risk during calorie deficits

This makes it useful in moderation, not as the sole cardio strategy.

Sports and Conditioning-Based Cardio

Sport-specific conditioning, circuits, and tempo work can also support fat loss.

These methods:

  • Improve fitness while burning calories
  • Maintain movement quality and coordination
  • Often feel more engaging than traditional cardio

The downside is that fatigue can accumulate quickly if volume is not managed properly.

The Best Cardio Is the One You Can Sustain

From a fat loss perspective, the most effective cardio is the one you can perform consistently without burning out.

For most people, this means:

  • A base of low-intensity cardio
  • Small amounts of higher-intensity work if recovery allows
  • Enough energy left to lift weights and recover well

Consistency beats intensity when fat loss is the goal.

Why Cardio Alone Is Not Enough

Cardio supports fat loss, but it does not protect muscle on its own.

Without resistance training and adequate protein intake:

  • Lean mass loss becomes more likely
  • Metabolic rate declines
  • Weight loss stalls over time

The best results come from combining cardio with strength training and proper nutrition.

How to Tell If Your Cardio Is Actually Working

The scale cannot tell you whether cardio is helping or hurting body composition.

Body composition tracking shows:

  • Whether fat mass is decreasing
  • Whether lean mass is being preserved
  • Whether calorie deficits are too aggressive

A Dexa Scan separates fat loss from muscle loss, giving you clarity on whether your cardio approach is producing the outcome you want.

How Often Should You Track Progress?

To accurately assess fat loss:

  • A Dexa Scan should be done monthly
  • Every other month at minimum
  • Never less frequent than that if body recomposition is the goal

The scan itself takes about six minutes, making them a handy tool for weight and fat loss optimization.

The Best Cardio Strategy for Weight Loss

For most people, the most effective approach includes:

  • Regular low-intensity cardio for calorie burn
  • Limited high-intensity work for fitness
  • Ongoing strength training to protect muscle
  • Nutrition that supports recovery and lean mass

This combination supports fat loss without sacrificing performance or long-term results.

Book Your DEXA Scan with Kalos Today in Downtown San Francisco, San Jose or Palo Alto!

If you want to know whether your cardio routine is actually helping you lose fat and preserve muscle, accurate body composition tracking is essential. Kalos provides advanced Dexa Scan services to help you measure fat loss progress with precision and confidence.

Schedule your scan today, your journey to data-driven fitness starts now.

Schedule your DEXA scan today!

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